GREENCYCLE Compatible Toner Cartridge Replacement for Canon 128 Fits ImageClass D550 MF4420n MF4450 MF4550 MF4570dn MF4580dn (Black,10 Pack) Full 1 year warranty against manufacturer defects and print quality. Compatible OEM Model: Canon 128 Compatible new toner cartridge unconditionally guaranteed to provide same performance and reliability as genuine Canon cartridges. Yield: Toner cartridge up to 2,100 pages at 5% coverage (Letter size Paper) Actual toner yield varies with usage, graphics printed and environmental conditions. Compatible HP Printer below:L100/L190/D550/D530/MF4412/MF4420n/MF4450/MF4550/MF4550d/MF4570dn/MF4570dw/MF4580dn